Vonyx 179.203, Instruction Manual

Page: 6 / 28

6
TROUBLESHOOTING
PROBLEM INDICATOR SOLUTION
No sound Red transmitter indicator is not flash Slide transmitter POWER ON/OFF
switch to ON position. Make sure battery
is inserted properly, observing battery (+
/ -). If battery is inserted properly,
replace with fresh battery.
No sound Red transmitter indicator is flash. Slide transmitter MUTE/ON switch to
ON position.
No sound Red receiver indicator POWER light off. Make sure AC adapter is securely
plugged into electrical outlet and into DC
input connector.
Make sure AC electrical outlet works
and supplies proper voltage.
No sound Receiver signal indicators A/B lights
glowing.
Turn up receiver volume control.
Confirm that the output connections
from the receiver to the external
equipment are secure.
No sound Receiver signal indicators A/B lights off.
Transmitter and receiver POWER light
glowing. Confirm transmitters and receivers
frequencies match. Move transmitter
closer to receiver.
Sound level differs from level of a
cabled instrument. Receiver signal indicators A/B lights
glowing. Adjust transmitter gain level to
compessary.
Adjust receiver volume as necessary.
Distortion level increases gradually Receiver signal indicators A/B lights and
transmitter LOW BATTERY light
glowing Replace transmitter battery
Bursts of noise or other audible
radio signals present. Signal indicators A/B/ lights on. Identify potential sources of
interferences (other RF-sources) and
turn off, remove or use a wireless
system operating on a different
frequency.
Momentary loss of sound as
transmitter is moved around
performing area. Receiver signal indicator A/B lights of
when sound is lost Reposition receiver and perform walk-
through test again. If audio dropouts
persist, mark “dead” spots and avoid
them during performance.
TECHNICAL SPECIFICATION
WM73C WM73 WM73H
Ref.nr: 179.203 179.206 179.209
Frequency range 863-865Mhz 863-865Mhz 863-865Mhz
Frequency response 50Hz-18kHz 50Hz-18kHz 50Hz-18Khz
Signal/Noise ratio > 85dB > 85dB > 85dB
Class 1 1 1
Rated voltage AC220~240V 50Hz AC220~240V 50Hz AC220~240V 50Hz
Adapter 13-15V DC / 500mA 13-15V DC / 300mA 13-15V DC / 300mA
Dimensions per unit 210 x 145 x 42 mm 210 x 145 x 42 mm 210 x 145 x 42 mm
Bodypack STB4 Handheld STM4
Ref.nr: 179.203B 179.206H
Frequency range 863-865Mhz 863-865Mhz
Battery 2x 1.5V AA Battery 2x 1.5V AA Battery
RF output >10dBm >10dBm
Class 1 1
Dimensions per unit 100 x 65 x 30 mm 238 x 50 x 50 mm
The specifications are typical. The actual values can slightly change from one unit to the other. Specifications can be changed without prior
notice.
Class I product for use in Frequency band 863-865MHz.